package com.qf.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.qf.pojo.DtsUser;
import com.qf.vo.DayStatis;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;

import java.util.List;

/**
 * <p>
 * 用户表 Mapper 接口
 * </p>
 *
 * @author zhaojian
 * @since 2021-05-12
 */
public interface DtsUserMapper extends BaseMapper<DtsUser> {
    //日期对应的用户数
    @Select("select  \n" +
            "  count(1) as cnts, \n" +
            "\tDATE_FORMAT( add_time, '%Y-%m-%d' ) AS dayStr \n" +
            "from dts_user  \n" +
            "where DATE_FORMAT( add_time, '%Y-%m-%d' ) > DATE_FORMAT( DATE_ADD(  NOW(), INTERVAL - #{statisDaysRang} DAY ), '%Y-%m-%d' ) \n" +
            "group by DATE_FORMAT( add_time, '%Y-%m-%d' ) ")
    List<DayStatis> findUserDayStatis(@Param("statisDaysRang") int statisDaysRang);

}
